.main{
  .join-yunclass{
    .l{
      float: left;
      padding: 20px 58px 20px 40px;
      width: 800px;
      margin-bottom: 20px;
      background: #fff;
      .img{
        width: 400px;
        height: 224px;
        float: left;
      }
      .classinfo{
        float: left;
        margin-left: 20px;
        h2{
          font-size: 25px;
          padding: 10px 0px;
          font-weight: normal;
        }
        .caption{
          margin-top: 10px;
          font-size: 14px;
          margin-left: 3px;
          margin-right: 20px;
        }
        .class-caption{
          width: 370px;
          margin-top:12px;
          font-size: 12px;
          color: rgb(153, 153, 153);
          font-weight: normal;
          line-height: 20px;
          p{
            height:60px;
            text-overflow: -o-ellipsis-lastline;overflow: hidden;text-overflow: ellipsis;display: -webkit-box;-webkit-line-clamp: 3;-webkit-box-orient: vertical;
          }
        }
        .button{
          width: 80px;
          height: 30px;
          line-height: 30px;
          background: #ca0813;
          display: block;
          margin-top:20px;
          text-align: center;
          color: #fff;
          font-size: 12px;
          cursor:pointer;
        }
      }
    }
    .r{
      float: right;
      padding: 0px 12px 20px 12px;
      margin-bottom: 20px;
      background: #fff;
      margin-right: 10px;
      width: 290px;
      .teacher-info{
        .teacher-img{
          width: 82px;
          height: 82px;
          padding-top: 24px;
          border-radius: 50%;
          margin: 0px auto;
        }
        .classname{
          text-align: center;
          line-height: 30px;
        }
        .info{
          width: 240px;
          margin: 0px auto;
          border-top: 1px solid rgb(226, 226, 226);
          border-bottom: 1px solid rgb(226, 226, 226);
          padding: 12px 0px;
          .sell-infor-opus{
            float: left;
            width: 52px;
            margin-right: 14px;
            margin-left: 14px;
            overflow: hidden;
            .opus-radius{
              width: 50px;
              height: 50px;
              line-height: 50px;
              font-size: 24px;
              text-align: center;
              color: rgb(255, 255, 255);
              border-radius: 50%;
              background: #ca0813;
            }
            p{
              text-align: center;
              line-height: 30px;
              font-size: 12px;
              font-weight: normal;
            }
          }
        }
      }
    }
  }
}
.alertinfo{
  z-index: 100;
  position: fixed;
  left: 50%;
  top: 50%;
  width: 470px;
  height: 370px;
  margin-top: -175px;
  margin-left: -250px;
  background: #eee;
  display: none;
  border:10px solid #555;

    h2{
      height: 50px;
      background: #4c5c77;
      left: 50px;
      line-height: 50px;
      color: #fff;
      padding:0 30px;
      font-weight:normal ;
      span{
        float:right;
        transition: all 0.3s;
        cursor:pointer;
      }
      span:after{
        content:'';
        display: block;
        width: 2px;
        height: 20px;
        background:#fff;
        transform: translate(9px,9px)
      }
      span:before{
        content:'';
        display: block;
        width: 20px;
        height: 2px;
        background:#fff;
        transform: translate(0px,20px)
      }
      span:hover{
        transform:rotate(45deg);
        transform-origin: center bottom
      }
    }
    .user{
      width: 410px;
      border: 1px solid #ddd;
      height: 52px;
      background: #eee;
      margin:0 auto;
      label{
        float: left;
        width: 90px;
        height: 52px;
        line-height: 52px;
        font-size: 14px;
        padding-left: 20px;
        color: #666;

      }
      input{
        border: 0 none;
        font-size: 14px;
        width: 200px;
        height: 19px;
        padding-bottom: 11px;
        padding-left: 20px;
        padding-top: 16px;
        background: #eee;
        color: #666;
      }
    }
  .input-tip{
    color: #c5c5c5;
    height: 27px;
    font-size: 14px;
    padding-top: 5px;
  }
  .yunclasssubmit{
    width: 80px;
    height:32px;
    border:1px solid #405b91;
   line-height: 32px;
    margin:0 auto;
    font-size: 12px;
    text-align: center;
    color:#405b91;
    cursor:pointer;
  }
  .title-info{
    width: 410px;
    margin: 0px auto;
    font-size: 14px;
    .title{
      line-height: 24px;
      color:#ca0813;
      margin-bottom: 12px;
    }
  }

}